【题目】I think Ana ______ her packing since she started getting things ready early this morning.
A. finishes B. has finished
C. had finished D. would finish
在线课程【答案】B
【解析】考查动词时态。句意：安娜自从大清早就开始准备，我想现在已经完成了包装。此处是since自从---以来，引导的时间状语从句，从句用一般过去时态，主句用现在完成时态，故选B。